function dataFormat(dataStr) {
    const dt = new Date(dataStr);
    const y = padZero(dt.getFullYear());
    const m = padZero(dt.getMonth() + 1);
    const d = padZero(dt.getDate());
    const hh = padZero(dt.getHours());
    const mm = padZero(dt.getMinutes());
    const ss = padZero(dt.getSeconds());
    return `${y}-${m}-${d} ${hh}:${mm}:${ss}`;
}
// 定义一个补零的函数
function padZero(n) {
    return n > 9 ? n : "0" + n;
}


module.exports = {
    dataFormat
}